fix: feed icon from xml ignored during force refresh

internal/reader/handler/handler.go

@@ -335,6 +335,7 @@ func RefreshFeed(store *storage.Storage, userID, feedID int64, forceRefresh bool
 		originalFeed.EtagHeader = responseHandler.ETag()
 		originalFeed.LastModifiedHeader = responseHandler.LastModified()
 
+		originalFeed.IconURL = updatedFeed.IconURL
 		iconChecker := icon.NewIconChecker(store, originalFeed)
 		if forceRefresh {
 			iconChecker.UpdateOrCreateFeedIcon()